Collapsing Consecutive Periods in Time Series Data Using RLE

Resolving Aggregate Issues on POSIXct Objects: A Step-by-Step Guide to Accurate Date Time Calculations

Creating Multiple Columns with 0/1 Counts Based on Another Column in R Using Base R, dplyr, and tidyr

Mastering Pandas GroupBy: A Comprehensive Guide to Aggregating Your Data

SQL Query to Calculate Average Price per Item Per Day

Aggregating Data by ID with Time Range: A Comparison of Approaches for Optimized Query Performance